diff options
| author | Daniel Stenberg <daniel@haxx.se> | 2000-11-20 13:07:04 +0000 | 
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2000-11-20 13:07:04 +0000 | 
| commit | a7937ed49c8f201444323b8a721e1d04e0306105 (patch) | |
| tree | 7148b1fb98c5b9f852770f3753c7cda039a89aa0 | |
| parent | 4c0bae364930b55fc7cd3a8f870d2779d210a83c (diff) | |
this is now a working ftp server, both PASV and PORT run fine, LIST works,
RETR and STORE don't
| -rw-r--r-- | tests/ftpserver.pl | 185 | 
1 files changed, 139 insertions, 46 deletions
diff --git a/tests/ftpserver.pl b/tests/ftpserver.pl index 082459869..b9efbb130 100644 --- a/tests/ftpserver.pl +++ b/tests/ftpserver.pl @@ -6,8 +6,11 @@ use FileHandle;  use strict;  sub spawn;  # forward declaration -sub logmsg { #print "$0 $$: @_ at ", scalar localtime, "\n" - } + +open(FTPLOG, ">log/ftpd.log") || +    print STDERR "failed to open log file, runs without logging\n"; + +sub logmsg { print FTPLOG @_; }  my $verbose=0; # set to 1 for debugging @@ -23,7 +26,6 @@ do {  my $proto = getprotobyname('tcp') || 6; -my $protocol;  my $ftp_sendfile=""; # set to a file name when the file should be sent  socket(Server, PF_INET, SOCK_STREAM, $proto)|| die "socket: $!"; @@ -32,7 +34,7 @@ setsockopt(Server, SOL_SOCKET, SO_REUSEADDR,  bind(Server, sockaddr_in($port, INADDR_ANY))|| die "bind: $!";  listen(Server,SOMAXCONN) || die "listen: $!"; -print "$protocol server started on port $port\n"; +print "FTP server started on port $port\n";  open(PID, ">.ftpserver.pid");  print PID $$; @@ -44,13 +46,13 @@ my $paddr;  sub REAPER {      $waitedpid = wait;      $SIG{CHLD} = \&REAPER;  # loathe sysV -    logmsg "reaped $waitedpid" . ($? ? " with exit $?" : ''); +  #  logmsg "reaped $waitedpid" . ($? ? " with exit $?" : '');  }  # USER is ok in fresh state  my %commandok = ( "USER" => "fresh",                    "PASS" => "passwd", -                  # "PASV" => "loggedin", we can't handle PASV yet +                  "PASV" => "loggedin",                    "PORT" => "loggedin",                    "TYPE" => "loggedin|twosock",                    "LIST" => "twosock", @@ -59,43 +61,140 @@ my %commandok = ( "USER" => "fresh",  # initially, we're in 'fresh' state  my %statechange = ( 'USER' => 'passwd',    # USER goes to passwd state                      'PASS' => 'loggedin',  # PASS goes to loggedin state -                    'PORT' => 'twosock',    # PORT goes to twosock +                    'PORT' => 'twosock',   # PORT goes to twosock +                    'PASV' => 'twosock',   # PASV goes to twosock                      );  my %displaytext = ('USER' => '331 We are happy you popped in!', # output FTP line                     'PASS' => '230 Welcome you silly person',                     'PORT' => '200 You said PORT - I say FINE',                     'TYPE' => '200 I modify TYPE as you wanted', -                   'LIST' => '150 Here comes a directory your way', +                   'LIST' => '150 ASCII data connection for /bin/ls (193.15.23.1,59196) (0 bytes)', #150 Here comes a directory your way',                     ); +# callback functions for certain commands  my %commandfunc = ( 'PORT', \&PORT_command, -                    'LIST', \&LIST_command); +                    'LIST', \&LIST_command, +                    'PASV', \&PASV_command); + +my $pid; + +my @ftpdir=("total 20\r\n", +"drwxr-xr-x   8 98       98           512 Oct 22 13:06 .\r\n", +"drwxr-xr-x   8 98       98           512 Oct 22 13:06 ..\r\n", +"drwxr-xr-x   2 98       98           512 May  2  1996 .NeXT\r\n", +"-r--r--r--   1 0        1             35 Jul 16  1996 README\r\n", +"lrwxrwxrwx   1 0        1              7 Dec  9  1999 bin -> usr/bin\r\n", +"dr-xr-xr-x   2 0        1            512 Oct  1  1997 dev\r\n", +"drwxrwxrwx   2 98       98           512 May 29 16:04 download.html\r\n", +"dr-xr-xr-x   2 0        1            512 Nov 30  1995 etc\r\n", +"drwxrwxrwx   2 98       1            512 Oct 30 14:33 pub\r\n", +"dr-xr-xr-x   5 0        1            512 Oct  1  1997 usr\r\n"); +  sub LIST_command { -    $ftp_sendfile="ftptest"; # send this now +  #  print "150 ASCII data connection for /bin/ls (193.15.23.1,59196) (0 bytes)\r\n"; + +    for(@ftpdir) { +        print KID_TO_WRITE $_; +        # print STDERR "PASS: $_"; +    } +    close(KID_TO_WRITE); + +    print "226 ASCII transfer complete\r\n";      return 0;  } +# < 220 pm1 FTP server (SunOS 5.7) ready. +# > USER anonymous +# < 331 Guest login ok, send ident as password. +# > PASS curl_by_daniel@haxx.se +# < 230 Guest login ok, access restrictions apply. +# * We have successfully logged in +# * Connected to 127.0.0.1 (127.0.0.1) +# > PASV +# < 227 Entering Passive Mode (127,0,0,1,210,112) +# * Connecting to localhost (127.0.0.1) port 53872 +# * Connected the data stream! +# > TYPE A +# < 200 Type set to A. +# > LIST +# < 150 ASCII data connection for /bin/ls (127.0.0.1,53873) (0 bytes). +# + +sub PASV_command { +    $pid = open(KID_TO_WRITE, "|-"); +    $SIG{ALRM} = sub { die "whoops, pipe broke" }; + +    if(0 == $pid) { +        # the child process runs the child function +    } +    else { +        # parent continues + #       print STDERR "parent after fork!\n"; +        return; # continue please +    } + +    my $port = 10000; +    socket(Server2, PF_INET, SOCK_STREAM, $proto) || die "socket: $!"; +    setsockopt(Server2, SOL_SOCKET, SO_REUSEADDR, +               pack("l", 1)) || die "setsockopt: $!"; +    while($port < 11000) { +        if(bind(Server2, sockaddr_in($port, INADDR_ANY))) { +            last; +        } +        $port++; # try next port please +    } +    listen(Server2,SOMAXCONN) || die "listen: $!"; + +    printf("227 Entering Passive Mode (127,0,0,1,%d,%d)\n", +           ($port/256), ($port%256)); + +    my $waitedpid; +    my $paddr; + +    $paddr = accept(Client2, Server2); +    my($port,$iaddr) = sockaddr_in($paddr); +    my $name = gethostbyaddr($iaddr,AF_INET); + +    logmsg "connection from $name [", inet_ntoa($iaddr), "] at port $port\n"; + +    open(STDOUT, ">&Client2")   || die "can't dup client to stdout"; + + #   print STDERR "#### CONN\n"; + +    while(<STDIN>) { +        print $_; +   #     print STDERR "SEND: $_"; +    } +    close(SOCK); + +    close(Client2); + +    exit; + +} +  sub PORT_command {      my $arg = $_[0]; -    print STDERR "fooo: $arg\n"; + #   print STDERR "fooo: $arg\n"; -    # "193,15,23,1,172,201" +    $pid = open(KID_TO_WRITE, "|-"); +    $SIG{ALRM} = sub { die "whoops, pipe broke" }; -    my $pid; -    if (!defined($pid = fork)) { -        logmsg "cannot fork: $!"; -        return 1; -    } elsif ($pid) { -        logmsg "begat $pid"; -        print STDERR "dasdasd a\n"; -        return 0; +    if(0 == $pid) { +        # the child process runs the child function      } -    # else I'm the child -- go spawn +    else { +        # parent continues +  #      print STDERR "parent after fork!\n"; +        return; # continue please +    } + +   # open(STDOUT, ">&Client")   || die "can't dup client to stdout";      if($arg !~ /(\d+),(\d+),(\d+),(\d+),(\d+),(\d+)/) { -        print STDERR "bad PORT-line: $arg\n"; +        logmsg "bad PORT-line: $arg\n";          print "314 silly you, go away\r\n";          return 1;      } @@ -104,32 +203,24 @@ sub PORT_command {      my $proto   = getprotobyname('tcp') || 6;      socket(SOCK, PF_INET, SOCK_STREAM, $proto) || die "major failure"; -    print STDERR "socket()\n"; + #   print STDERR "socket()\n";      connect(SOCK, $paddr)    || return 1; -    print STDERR "connect()\n"; - -    my $line; - -    while($ftp_sendfile eq "") { -        sleep 1; -    } -    open(SEND, "<$ftp_sendfile") || -        print STDERR "couldn't open file to send"; + #    print STDERR "connect()\n";      #while (defined($line = <SOCK>)) {      #print STDERR $line;      #} -    while(<SEND>) { -        print $_; + #   print STDERR "sending stdin to client\n"; +    while(<STDIN>) { +        print SOCK $_; + #       print STDERR "SEND: $_";      } -    close(SEND);      close(SOCK); -    $ftp_sendfile=""; - -    print STDERR "close()\n"; +  #  print STDERR "close(SOCK)\n"; +    exit; # we're a chiuld process who dies!  }  $SIG{CHLD} = \&REAPER; @@ -142,7 +233,7 @@ for ( $waitedpid = 0;      my($port,$iaddr) = sockaddr_in($paddr);      my $name = gethostbyaddr($iaddr,AF_INET); -    logmsg "connection from $name [", inet_ntoa($iaddr), "] at port $port"; +    logmsg "connection from $name [", inet_ntoa($iaddr), "] at port $port\n";      # this code is forked and run      spawn sub { @@ -187,7 +278,7 @@ for ( $waitedpid = 0;              my $FTPARG=$2;              my $full=$_; -            print STDERR "GOT: ($1) $_\n"; +            logmsg "GOT: ($1) $_\n";              my $ok = $commandok{$FTPCMD};              if($ok !~ /$state/) { @@ -205,18 +296,20 @@ for ( $waitedpid = 0;                  $state = $newstate;              } +            my $text = $displaytext{$FTPCMD}; +            if($text) { +                print "$text\r\n"; +            } +              # see if the new state is a function caller.              my $func = $commandfunc{$FTPCMD};              if($func) {                  # it is!                  \&$func($FTPARG); -                print STDERR "MOOOOOOOOO\n";              } -            print STDERR "gone to state $state\n"; +            logmsg "gone to state $state\n"; -            my $text = $displaytext{$FTPCMD}; -            print "$text\r\n";          }          exit;          #   print "Hello there, $name, it's now ", scalar localtime, "\r\n"; @@ -235,10 +328,10 @@ sub spawn {      my $pid;      if (!defined($pid = fork)) { -        logmsg "cannot fork: $!"; +        logmsg "cannot fork: $!\n";          return;      } elsif ($pid) { -        logmsg "begat $pid"; +        logmsg "begat $pid\n";          return; # I'm the parent      }      # else I'm the child -- go spawn  | 
